Exposure to North Dakota road material may increase risk of lung cancer
2010-12-10
New data shows that people exposed to the mineral erionite found in the gravel of road materials in North Dakota may be at significantly increased risk of developing mesothelioma, a type of lung cancer most often associated with asbestos exposure, according to research presented at the 2010 Chicago Multidisciplinary Symposium in Thoracic Oncology. This symposium is sponsored by the American Society for Radiation Oncology (ASTRO), the American Society of Clinical Oncology (ASCO), the International Association for the Study of Lung Cancer (ISLAC) and The University of Chicago.
Erionite ...
Personalized molecular therapy shows promising results for people with advanced lung cancer
2010-12-10
A new study shows that a combination of epigenetic therapy and molecular targeted therapy has promising results at combating advanced lung cancer according to research presented at the 2010 Chicago Multidisciplinary Symposium in Thoracic Oncology. This symposium is co-sponsored by the American Society for Radiation Oncology (ASTRO), the American Society of Clinical Oncology (ASCO), the International Association for the Study of Lung Cancer (ISLAC) and The University of Chicago.
Epigenetics therapy is an approach designed to control the expression of good and bad genes ...
Adding ipilimumab to standard chemotherapy treatment for late-stage lung cancer may improve survival
2010-12-10
– Ipilimumab used in combination with paclitaxel/carboplatin for stage IIIb/IV non-small cell lung cancer showed superior results in progression free survival when compared to paclitaxel/carboplatin alone, according to research presented at the 2010 Chicago Multidisciplinary Symposium in Thoracic Oncology. This symposium is sponsored by the American Society for Radiation Oncology (ASTRO), the American Society of Clinical Oncology (ASCO), the International Association for the Study of Lung Cancer (ISLAC) and the University of Chicago.
Paclitaxel/carboplatin are commonly ...
Non-invasive SRT as good as surgery for elderly patients with early lung cancer
2010-12-10
A new study shows that a new type of targeted radiation therapy called stereotactic radiation therapy is just as good as surgery for patients aged 75 and older with early-stage lung cancer, according to research presented at the 2010 Chicago Multidisciplinary Symposium in Thoracic Oncology. This symposium is sponsored by the American Society for Radiation Oncology (ASTRO), the American Society of Clinical Oncology (ASCO), the International Association for the Study of Lung Cancer (ISLAC) and the University of Chicago.
In this study, researchers compared two treatments ...
Weekend and public holiday admissions increased the risk of hospital deaths by up to 41 percent
2010-12-10
Patients treated by Welsh (UK) hospitals for upper gastrointestinal (GI) bleeding were 41% more likely die if they were admitted on a public holiday and 13% more likely if it was at the weekend, according to research in the January issue of Alimentary Pharmacology and Therapeutics.
Researchers who analysed the records of 22,299 people admitted a total of 24,421 times between 1999 and 2007 also found that admissions, but not death rates, were significantly influenced by social deprivation.
"The higher death rates for weekend and public holiday admissions could not ...
Greedy algorithms best for multiple targets
2010-12-10
What algorithms should an air defense system work with? Particle swarm algorithms if there are ten targets to be hit. If there are more than ten targets, greedy algorithms work best. These findings are presented by researcher Fredrik Johansson at the Informatics Research Centre, University of Skövde, in Sweden.
So-called TEWA systems (Threat Evaluation & Weapon Allocation) are used to protect strategic targets from enemy attacks, such as an airfield that needs to be protected from incoming missiles.
The systems discover threats, evaluates the threats, and aims the defender's ...
Bioengineers develop bacterial strain to increase ethanol biofuel production
2010-12-10
Georgia, US - A team of Bioengineers in the United States have modified a strain of bacteria to increase its ability to produce ethanol. The research, published in Biotechnology and Bioengineering, reveals how adaptation and metabolic engineering can be combined for strain improvement, a positive development for the biofuel industry.
The team focused their research on Zymomonas mobilis, a bacterium noted for its bio-ethanol producing potential. However, the team believed that ethanol production could be increased through improvement of xylose fermentation.
"Zymomonas ...
Financial burden greater for college students with divorced or remarried parents
2010-12-10
College students whose parents have remained married to each other are faring better financially than their peers with divorced or remarried parents, according to new research from Rice University and the University of Wisconsin.
The study, published in the December Journal of Family Issues, found that divorced parents contributed about a third of what married parents contributed to their children's education even though the divorced parents' incomes are about half as much as their married peers'; remarried parents contributed about half of what married parents contributed, ...
Protein targeted to stop melanoma tumor growth
2010-12-10
Halting the growth of melanoma tumors by targeting the MIC-1 protein that promotes blood vessel development in tumors may lead to better treatment of this invasive and deadly cancer, according to Penn State College of Medicine researchers in The Foreman Foundation Research Laboratory.
"Preventing vessels from developing in tumors is one way to stop them from growing," said lead author Gavin Robertson, Ph.D., professor of pharmacology, pathology, dermatology and surgery. "However, the identity of the proteins secreted by tumors cells enabling the angiogenesis process to ...
Platinum and blue light combine to combat cancer
2010-12-10
When it comes to health care blue lights, are usually most useful on the top of ambulances but now new research led by the University of Warwick has found a way to use blue light to activate what could be a highly potent platinum-based cancer treatment.
Research led by the University of Warwick, along with researchers from Ninewells Hospital Dundee, and the University of Edinburgh, have found a new light-activated platinum-based compound that is up to 80 times more powerful than other platinum-based anti-cancer drugs and which can use "light activation" to kill cancer ...
Digital video recorders do not change shopping behavior
2010-12-10
Watching a television show from a digital video recorder (DVR) gives viewers a chance to skip commercials, but new research finds that owning a DVR does not influence the demand for advertised products despite its ad-skipping feature.
In fact, only a small percentage of ads were fast-forwarded by DVR users who participated in the study, and even that did not have an adverse effect on sales.
The research was conducted by Jean-Pierre Dube from the University of Chicago Booth School of Business, Bart Bronnenberg from Tilburg University in The Netherlands and Carl Mela ...
Drug combination shows promise for newly diagnosed blood cancer patients, study finds
2010-12-10
ANN ARBOR, Mich. — A new three-drug combination used to treat the blood cancer multiple myeloma may be effective as a front-line therapy for newly diagnosed patients, according to a study led by the University of Michigan Comprehensive Cancer Center.
The drug combination includes a novel proteasome inhibitor called carfilzomib, combined with lenalidomide and low-dose dexamethasone. This is the first study to look at carfilzomib as a front-line treatment of patients with myeloma, a type of cancer that arises in the plasma cells.
Initial results of the phase I study were ...
Chinese study suggests that alcohol increases angiographically significant coronary artery disease
2010-12-10
Among a large number of Chinese men presenting with chest pain or EKG changes, sequential subjects undergoing cardiac angiography were evaluated for obstructive coronary artery disease (CAD) lesions according to their reported recent alcohol intake. The study population consisted of 1,476 consecutive men 36 to 84 years of age; participants were categorized as nondrinkers, light drinkers, moderate drinkers, or heavy drinkers.
Adjusted odds ratios for angiographically proved CAD for light, moderate, and heavy drinking were 1.16 (95% confidence interval 0.68 to 1.94), ...
A 'stitch in time' could help damaged hearts
2010-12-10
WORCESTER, Mass. – A research team at Worcester Polytechnic Institute (WPI) has demonstrated the feasibility of a novel technology that a surgeon could use to deliver stem cells to targeted areas of the body to repair diseased or damaged tissue, including cardiac muscle damaged by a heart attack. The technique involves bundling biopolymer microthreads into biological sutures and seeding the sutures with stem cells. The team has shown that the adult bone-marrow-derived stem cells will multiply while attached to the threads and retain their ability to differentiate and grow ...
IU study: When to end a run
2010-12-10
Runners who continue running when they are exhausted unknowingly change their running form, which could be related to an increased risk for injury.
A study by Tracy Dierks, assistant professor of physical therapy at Indiana University, found that toward the end of a normal running session, runners generally displayed an increase in motion in their hips, knees and ankles.
"Our study showed that at the end of a normal run, when they were getting tired, their mechanics were beginning to change," Dierks said. "When you notice fatigue, you're most likely putting yourself ...
Better batteries from the bottom up
2010-12-10
Rice University researchers have moved a step closer to creating robust, three-dimensional microbatteries that would charge faster and hold other advantages over conventional lithium-ion batteries. They could power new generations of remote sensors, display screens, smart cards, flexible electronics and biomedical devices.
The batteries employ vertical arrays of nickel-tin nanowires perfectly encased in PMMA, a widely used polymer best known as Plexiglas. The Rice laboratory of Pulickel Ajayan found a way to reliably coat single nanowires with a smooth layer of a PMMA-based ...
Sesame Street program improves development for children in Indonesia
2010-12-10
Children exposed to Jalan Sesama, an Indonesian version of the children's television show Sesame Street, had improved educational skills and healthy development, according to a study by researchers at the Johns Hopkins Bloomberg School of Public Health. Over a 14-week period, the children who had the greatest exposure to Jalan Sesama improved significantly in literacy, mathematics, early cognitive skills, safety knowledge and social awareness, compared to those with no or low exposure to the program. The study is available online in advance of publication in the International ...
Cloud 'feedback' affects global climate and warming, says Texas A&M study
2010-12-10
COLLEGE STATION, Dec. 9, 2010 – Changes in clouds will amplify the warming of the planet due to human activities, according to a breakthrough study by a Texas A&M University researcher.
Andrew Dessler, a professor in the Department of Atmospheric Sciences, says that warming due to increases in greenhouse gases will cause clouds to trap more heat, which will lead to additional warming. This process is known as the "cloud feedback" and is predicted to be responsible for a significant portion of the warming over the next century.
Dessler used measurements from the Clouds ...
Stricter testing for federal ground beef program may not lead to safer meat
2010-12-10
WASHINGTON — A new National Research Council report finds no scientific basis that more stringent testing of meat purchased through the government's ground beef purchase program and distributed to various federal food and nutrition programs -- including the National School Lunch Program -- would lead to safer meat.
The U.S. Department of Agriculture's Agricultural Marketing Service (AMS) buys ground beef from suppliers who must meet mandatory process, quality, traceback, and handling controls as well as comply with strict limitations on the amounts of bacteria in the ...
Simulations aim to unlock nature's process of biomineralization
2010-12-10
Columbus, Ohio – A University of Akron researcher is leveraging advanced modeling and simulation techniques to more precisely understand how organic materials bond to inorganic materials, a natural phenomenon that if harnessed, could lead to the design of composite materials and devices for such applications as bone replacement, sensing systems, efficient energy generation and treatment of diseases.
Hendrik Heinz, Ph.D., an assistant professor of polymer engineering at UA, is accessing the systems of the Ohio Supercomputer Center (OSC) to study the process of biomineralization, ...
Pacific Biosciences and Harvard scientists decode genome of Haitian cholera pathogen
2010-12-10
Menlo Park, Calif. – December 9, 2010 – Scientists from Pacific Biosciences of California, Inc. (NASDAQ: PACB) and Harvard Medical School have successfully employed single molecule, real-time (SMRT™) DNA sequencing technology to rapidly characterize the pathogen responsible for the recent deadly cholera epidemic in Haiti. Published Thursday in the New England Journal of Medicine, the results provide the first whole genome sequence analysis and most detailed genetic profile to date of the Haitian Vibrio cholerae outbreak strain.
The multi-strain sequencing and bioinformatic ...
Evolutionary arms race between smut fungi and maize plants
2010-12-10
Fungi are a major cause of plant diseases and are responsible for large-scale harvest failure in crops like maize and other cereals all over the world. Together with scientists from the Helmholtz Zentrum in Munich, Regine Kahmann, from the Max Planck Institute for Terrestrial Microbiology in Marburg, and Jan Schirawski, who is now based at the University of Göttingen, analysed the genetic make-up of Sporisorium reilianum, an important maize parasite. Based on a comparison with the genome of a related fungal species, they succeeded in identifying new genes that play an important ...
Time running out to save climate record held in unique eastern European Alps glacier
2010-12-10
COLUMBUS, Ohio – A preliminary look at an ice field atop the highest mountain in the eastern European Alps suggests that the glacier may hold records of ancient climate extending back as much as a thousand years.
Researchers warn, however, that the record may soon be lost as global warming takes its toll on these high-altitude sites, according to a new study in the Journal of Glaciology.
The glacier, Alto dell'Ortles, is the highest large ice body in the eastern Alps, reaching an altitude of 12,812 feet (3,905 meters) above sea level. It is small, though, measuring ...
Esophageal cancer risk lower than expected for patients with GERD
2010-12-10
ANN ARBOR, Mich. — The risk of esophageal cancer among patients who suffer from gastroesophageal reflux disease (GERD) is not as high as many may think, according to new research from University of Michigan gastroenterologists.
GERD is considered a relative risk for developing esophageal adenocarcinoma, but the absolute risk is not known, says Joel Rubenstein, M.D., M.Sc., an investigator with the Department of Veterans Affairs Center for Clinical Management Research in Ann Arbor and Assistant Professor in the University of Michigan's Department of Internal Medicine.
"Since ...
Cholera strain evolves new mechanism for causing disease
2010-12-10
New clinical strains of cholera appear to have evolved a distinctly different mechanism to cause the same disease according to research published in the current issue of the online journal mBio®.
Vibrio cholerae is the causative agent for the diarrheal disease cholera. While there are more than 200 different serogroups only the O1 and the O139 strains have been known to cause epidemic and pandemic outbreaks of disease, using a toxin-coregulated pilus (TCP) and cholera toxin (CT), which other strains lack.
"While non-O1, non-O139 strains have caused sporadic disease ...
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